US lawIllinoisRegulationsTitle 92 — TRANSPORTATIONCHAPTER I: DEPARTMENT OF TRANSPORTATIONSUBCHAPTER b: AERONAUTICSPart 14 — AVIATION SAFETYSubpart F14.64092 Ill. Adm. Code 14.640Restrictions on UseYear: 2026Length: 15 wordsOfficial source Section 14.640 Restrictions on Use For restrictions on use see Section 14.Appendix D, Table A.Previous92 Ill. Adm. Code 14.630